Indoor air quality concerns affect millions of households across the nation. Smoke, dust, and pollen - these invisible threats constantly impact respiratory health. The PuroAir 400 high-efficiency filter offers an effective solution to combat indoor air pollution and maintain fresh, clean air.
The PuroAir 400 air purifier is renowned for its powerful cleaning capacity, capable of purifying spaces up to 2,000 square feet within one hour. The replacement filter is the key component that ensures continuous high-performance operation. Utilizing advanced HEPA filtration technology, it effectively removes dust, allergens, and odors from indoor air.
The filter features a comprehensive three-layer defense mechanism:
The Environmental Protection Agency (EPA) recommends replacing filters every 90 days to maintain optimal air quality. However, in areas with higher pollution levels or during wildfire seasons, more frequent replacements may be necessary.
Signs that indicate when to replace your filter include:
Maintaining proper indoor air quality provides numerous health advantages:
While air purifiers are effective, other measures can enhance indoor air quality:
The PuroAir 400 replacement filter measures 17.4 x 11.1 x 25 inches and weighs 0.5 pounds. Independent testing in ISO 17025-certified laboratories has demonstrated its effectiveness in removing cat allergens (Fel d 1) and pollen.
